sagacious	adjective	of keen and farsighted penetration and judgment; discerning; caused by or indicating acute discernment
salubrious	adjective	favorable to or promoting health or well-being
sanctimony	noun	affected or hypocritical holiness
sanguine	adjective	confidently optimistic and cheerful; blood-red in color
satiate	adjective	satisfy fully
saturnine	adjective	cold and steady in mood; slow to act or change
saturnine	adjective	gloomy dark sullen morose
scorn	noun	open dislike and disrespect or derision often mixed with indignation
scurvy	noun	a disease caused by a lack of vitamin C and characterized by spongy gums, loosening of the teeth, and a bleeding into the skin and mucous membranes
sedulous	adjective	involving or accomplished with careful perseverance
sententious	adjective	given to or abounding in aphoristic expression; given to or abounding in excessive moralizing
sere	adjective	being dried and withered
serration	noun	having a toothed edge
shunt	verb	to turn off to one side; shift; to switch (as a train) from one track to another
simper	verb	a silly self-conscious smile
skiff	noun	a small flat-bottomed open boat with a pointed bow and square stern, used mainly by fisherman
slake	verb	to become slaked; crumble
smolder	verb	to exist in a state of suppressed activity
somatic	adjective	of, relating to, or affecting the body especially as distinguished from the germplasm or the psyche
sophomoric	adjective	self-assured though immature affected bombastic overblown
soporific	adjective	causing or tending to cause sleep; tending to dull awareness or alertness
sordid	adjective	marked by baseness or grossness; vile
specious	adjective	having deceptive attraction or allure
spurious	adjective	of illegitimate birth; bastard
stanch	verb	to stop or check in its course; to make watertight; stop up
stentorian	adjective	extremely loud and powerful
stipple	verb	to engrave by means of dots and flicks
stolid	adjective	having or expressing little or no sensibility; unemotional
stormy	adjective	marked by turmoil or fury
striated	verb	striped grooved or banded
strident	adjective	blatant: conspicuously and offensively loud; given to vehement outcry
strut	verb	to become turgid; swell
suborn	verb	to induce secretly to do an unlawful thing
subsume	verb	to include or place within something larger or more comprehensive; encompass as a subordinate or component element
succor	noun	something that furnishes relief
summarily	adjective	done without delay or formality; quickly executed; of, relating to, or using a summary proceeding
sumptuous	adjective	deluxe: rich and superior in quality	
superfluous	adjective	exceeding what is sufficient or necessary; extra; not needed; unnecessary
supersede	verb	to cause to be set aside; to force out of use as inferior
supine	noun	lying flat on back, with face upward
suppliant	noun	petitioner: one praying humbly for something
supplicate	verb	to ask humbly and earnestly of
sycophant	noun	a servile self-seeking flatterer